Although much has been published on variable-frequency drives (vfds), people continue to be confused by them. The intent of this article is to provide a basic overview of these devices by evaluating key features as well as their impact on a building’s electrical system.

Welcome to NFI Online VFD Tutorials. This playlist has few videos which will explains Basic Understanding of Variable Frequency Drives. Must watch for Electrical, Electronics Engineers.

The key features of a variable-frequency drives (VFD) used extensively in modern facilities to save energy on mechanical systems, such as motors, pumps are presented.

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A variable frequency drive (VFD) is an electronic device that controls the speed of AC induction motors. Before we look at how this works and how it can be used, we should look at the history of motor controllers, and also how the induction motor itself works.

Although much has been published on variable-frequency drives (VFDs), people continue to be confused by them. The intent of this article is to provide a basic overview of these devices by evaluating key features as well as their impact on a building's electrical system.

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